The Las Vegas Raiders held another walkthrough practice on Tuesday, but had they actually practiced, running back Josh Jacobs (quadriceps) would have been a non-participant. Jacobs injured his quadriceps muscle in the Week 14 loss to the Minnesota Vikings and is now fully up in the air to play on Thursday night in Week 15 against the division-rival Los Angeles Chargers. The 25-year-old will likely need to put in a limited practice on Wednesday to avoid being ruled out on the final injury ...